/*
 * Copyright (c) 2016 IBM, and others
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.microprofile.showcase.vote.persistence;

import java.util.Collection;

import io.microprofile.showcase.vote.model.SessionRating;



public interface SessionRatingDAO {

	/**
	 * Add a session
	 * @param sessionRating
	 * @return
	 */
	SessionRating rateSession(SessionRating sessionRating);
	/**
	 * Update a session
	 * @param sessionRating
	 * @return
	 */
	SessionRating updateRating(SessionRating sessionRating);
	/**
	 * Delete a session
	 * @param id
	 */
	void deleteRating(String id);
	/**
	 * Get the session ratings for the specified session id
	 * @param session
	 * @return
	 */
	Collection<SessionRating> getRatingsBySession(String sessionId);
	/**
	 * Get the session ratings for the specified attendee 
	 * @param attendee
	 * @return
	 */
	Collection<SessionRating> getRatingsByAttendee(String attendeeId);
	/**
	 * Get all session ratings
	 * @return
	 */
	Collection<SessionRating> getAllRatings();
	/**
	 * Delete all ratings
	 */
	void clearAllRatings();
	
	/**
	 * Get a session rating
	 * @param id
	 */
	SessionRating getRating(String id);

	


	
	
}
